> For the complete documentation index, see [llms.txt](https://smartscenarios.pirichain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://smartscenarios.pirichain.com/operation-costs.md).

# Operation Costs

Each internal transaction needs to PIRI.

Calculation of fee cares of block network bandwidth volume. 

Simple Transfer Operation,PSce execution cost described below formula;

<figure><img src="https://550391518-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FVyvE8uK86sqYwIbRfZYP%2Fuploads%2FFt3QGXSx73KBSHj3JBqZ%2FEkran%20Resmi%202024-01-19%2002.39.34.png?alt=media&amp;token=0f5d54c9-9587-460d-8899-7f970e61abb9" alt="" width="270"><figcaption></figcaption></figure>

**x:** Transaction count of last approvement block.

**Execution Memory Allocation Protocol:**

In addition execution of PSce fee has a new const , that is **externally heap memory usage. It depends on your code allocation of memory at run time.**